Langmuir−Blodgett Films of Charge-Transfer Complexes between an Amphiphilic Monopyrrolo-TTF and TCNQ Derivatives
作者:Tomoyuki Akutagawa、Masanori Uchigata、Tatsuo Hasegawa、Takayoshi Nakamura、Kent A. Nielsen、Jan O. Jeppesen、Thomas Brimert、Jan Becher
DOI:10.1021/jp036335v
日期:2003.12.1
Electrically active Langmuir−Blodgett (LB) films based on charge-transfer (CT) complexes between an amphiphilic monopyrrolo-tetrathiafulvalene (MP-TTF) electron donor and different derivatives of the electron acceptor 7,7,8,8-tetracyano-p-quinodimethane (TCNQ), namely, 2,5-difluoro-TCNQ, fluoro-TCNQ, TCNQ, decyl-TCNQ, 2,5-dimethyl-TCNQ, and 2-methoxy-5-ethoxy-TCNQ, have been fabricated and investigated
基于两亲性单吡咯并四硫富瓦烯 (MP-TTF) 电子供体与电子受体 7,7,8,8-四氰基-p-的不同衍生物之间的电荷转移 (CT) 配合物的电活性 Langmuir-Blodgett (LB) 薄膜喹二甲烷 (TCNQ),即 2,5-二氟-TCNQ、氟-TCNQ、TCNQ、癸基-TCNQ、2,5-二甲基-TCNQ 和 2-甲氧基-5-乙氧基-TCNQ,已被系统地制造和研究. LB 薄膜中 CT 复合物的电子基态 (MP-TTF+δ)(TCNQs-δ) 根据 TCNQ 衍生物的电子亲和力从离子型 (δ = 1) 到中性 (δ ∼ 0) 变化用过的。LB 薄膜的 CT 激发能量与 MP-TTF 和 TCNQ 衍生物的氧化还原电位之间的差异相关,显示出与混合堆叠 CT 配合物提出的中性离子 (NI) 相图一致。在六种 LB 薄膜中,(MP-TTF+0.3)(decyl-TCNQ-0.3) 和 (MP-TTF+0